Figure 5

The hierarchical clustering heatmap (HCH) of the toad toxin samples collected from twenty-two geographical origins. The colors indicated the gradually up-regulated level of bufogenins concentrations from blue (minimum) to red (maximum).
The hierarchical clustering heatmap (HCH) of the toad toxin samples collected from twenty-two geographical origins. The colors indicated the gradually up-regulated level of bufogenins concentrations from blue (minimum) to red (maximum).